The Acer B227Q bmiprzx 21. 5" Full HD LCD display combines stylish functionality with amazing 1920 x 1080 resolution, allowing you to enjoy High-Definition entertainment in the comfort of your home. Incredible 100, 000, 000: 1 contrast ratio and rapid 4ms response time highlight the advanced technology. The B227Q bmiprzx LCD also features Display, HDMI & VGA ports for greater compatibility, a Kensington lock slot to protect your investment, and Energy Star & EPEAT Gold compliance to help you save money and energy. (UM. WB7AA. 001)